X-ray imaging apparatus

Abstract

An X-ray imaging apparatus includes an operation panel including a plurality of operation input units and disposed on an X-ray imaging table, and a substrate including circuits disposed inside the operation panel and configured to output signals due to operation of the plurality of operation input units and a sensor configured to sense ingress of liquid.

What is claimed is: 
     
       1. An X-ray imaging apparatus, comprising:
 an X-ray imaging table including a top board on which a subject is placed; 
 an imager including an X-ray source configured to irradiate the subject with X-rays, and an X-ray detector configured to detect the X-rays emitted from the X-ray source and transmitted through the subject; 
 an operation panel including a plurality of operation input units and disposed on the X-ray imaging table; and 
 a substrate including circuits disposed inside the operation panel and configured to output signals due to operation of the plurality of operation input units, and a sensor configured to sense ingress of liquid. 
 
     
     
       2. The X-ray imaging apparatus according to  claim 1 , wherein:
 the sensor includes a first conductive pattern disposed on a surface of the substrate and a second conductive pattern spaced apart from the first conductive pattern on the surface of the substrate, and is configured to sense the ingress of the liquid based on a short circuit between the first conductive pattern and the second conductive pattern. 
 
     
     
       3. The X-ray imaging apparatus according to  claim 2 , wherein:
 the first conductive pattern and the second conductive pattern are disposed side by side at a predetermined interval in such a manner as to surround the circuits. 
 
     
     
       4. The X-ray imaging apparatus according to  claim 2 , wherein:
 the sensor further includes a power supply, a resistor, and a sensing circuit, all of which are connected to the first conductive pattern; and 
 the second conductive pattern is connected to a ground. 
 
     
     
       5. The X-ray imaging apparatus according to  claim 4 , wherein:
 the second conductive pattern is disposed outside the first conductive pattern. 
 
     
     
       6. The X-ray imaging apparatus according to  claim 2 , wherein:
 the first conductive pattern and the second conductive pattern are disposed along an outer periphery of the surface of the substrate. 
 
     
     
       7. The X-ray imaging apparatus according to  claim 2 , wherein:
 the first conductive pattern and the second conductive pattern are provided on both a front surface and a back surface of the substrate. 
 
     
     
       8. The X-ray imaging apparatus according to  claim 2 , further comprising:
 a controller configured or programmed to perform control not to process the signals output from the circuits when the first conductive pattern and the second conductive pattern are short-circuited. 
 
     
     
       9. The X-ray imaging apparatus according to  claim 2 , further comprising:
 a display configured to display a warning when the first conductive pattern and the second conductive pattern are short-circuited.